IPanama border police patrol by boat in the Darien province on the border with Colombia, near Yaviza, Panama. Panamanian authorities began noticing five years ago that the Darien Gap, the only interruption in the hemisphere-spanning Pan-American Highway, was being used by migrant smugglers, usually to move people from Asia and Africa. (AP Photo/Arnulfo Franco)
Migrants rest in a shelter after being found in the Darien province by Panama border police in Meteti, Panama. Panamanian authorities began noticing five years ago that the Darien Gap, the only interruption in the Pan-American Highway, was being used by migrant smugglers, usually to move people from Asia and Africa. (AP Photo/Arnulfo Franco)
A Panama border police officer points as he begins to patrol in the Darien province, on the border with Colombia, in Yaviza, Panama. Panamanian authorities began noticing five years ago that the Darien Gap, the only interruption in the Pan-American Highway, was being used by migrant smugglers, usually to move people from Asia and Africa. (AP Photo/Arnulfo Franco)
A Panamanian border police officer points as he begins his patrol in Darien province, on the border with Colombia, in Yaviza, Panama. Panamanian authorities began noticing five years ago that the Darien Gap, the only interruption in the Pan-American Highway, was being used by migrant smugglers. (Associated Press)
